-7, 7 +x, 7x + yz, √5, 3yz/8, 4.5y – 3x,
8 – 5, 8 – 5x, 8x – 5y × p and 3y^{2}z ÷ 4x
Clearly constants are : -7, √5, 8 – 5
Variable are: 7 + x, 7x + yz, , 3yz/8, 4.5y -3x
8 – 5x, 8x -5y × p and 3y^{2}z ÷ 4x